#include<iostream>
using namespace std;
int a[1005][1005];
int n,m;
int main()
{
    cin>>n>>m;
    for(int i=1;i<=m;i++)
        {
            int x1,y1,x2,y2;
            cin>>x1>>y1>>x2>>y2;
            a[x1][y1]++;
            a[x2+1][y2+1]++;
            a[x1][y2+1]--;
            a[x2+1][y1]--;
        }
    for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
                {
                    a[i][j]+=a[i-1][j]+a[i][j-1]-a[i-1][j-1];
                    cout<<a[i][j]<<" ";
                }
            cout<<endl;
        }
    return 0;
}
